Voice Over Internet Protocol is a name of a family of technologies that allows transmission of voice over an established network connection. What is usually discussed, though, is Internet Telephony - bidirectional voice (and lately video) transmission over public networks.

learn more… | top users | synonyms

2
votes
3answers
1k views

I want to connect to my router through wifi and use its pstn phone line

Can anyone refer me where to look I want when I am not at home to connect to my router and use it to call through my phone line (so when I am out of the country I will pay local price to place calls ...
0
votes
1answer
397 views

My VOIP phone constantly loses service when plugged in via an Edimax router

I have VOIP phone service with Jivetel using a Linksys spa2102 VOIP device. I recently purchased a new Edimax BR-6428ns wireless n router and plugged my linksys device in through it. I made the ...
1
vote
0answers
452 views

How to configure Transparent IP Address Sharing (TAS) on a Mediatrix 4102 with DGW 2.0 firmware? [closed]

I am making the switch to VoIP. I chose voip.ms as my service provider and Mediatrix 4102 as my ATA. One reason why I chose the Mediatrix over other popular consumer ATAs is that it's supposed to be ...
0
votes
0answers
154 views

encrypted voip traffic for voip provider that doesn't offer encryption

I currently use a VoIP service with one VoIP provider. However, this company doesn't offer encryption to VoIP traffic. This mean that all voice transmit via my IPphone can be sniffed and listen. (I ...
1
vote
0answers
170 views

Start call on Cisco Voip phone with an http link

I don't have any previous experience with IP phones. I'd like to know if there is a way to make a call with a Cisco IP Phone (model 7912) clicking just a web link. Actually the phone is connected to ...
0
votes
2answers
677 views

Hotkey to toggle internet / network communication

I'm looking for a way to quickly toggle my wireless internet connection on and off (to prevent interference with a VOIP device on the network). Newer laptops have a dedicated button for this purpose, ...
0
votes
2answers
364 views

Setting up a US-landline/Europe-landline voip connection

I need to provide a clients in the US an ability to call a US landline phone, and have the call routed to the mobile phone in europe, where our office is located. I need to have it implemented at a ...
0
votes
1answer
563 views

Cisco IP Phone to SPA3102 to PSTN

I've just picked up a Cisco 7940G and configured it with SIP firmware (8.2). I'd like to use this as my office phone, communicating with POTS/PSTN via a Linksys SPA 3102 VoIP gateway. In theory, this ...
1
vote
0answers
170 views

using zfone in practice - how do i force gtalk to use SIP?

Recently i got a need for a fully encrypted and safe communications. Believe it or not - there is no simple solution. Criteria for needed software include: 1. Encrypted 1 to 1 chats (text). 2. ...
2
votes
3answers
5k views

How to associate a softphone with a phone url

I'm trying to get click to call to work using Qutecom for a softphone and a Greesemonkey script to turn phone numbers into clickable urls. Whenever I click on the phone number link I get an error ...
2
votes
1answer
956 views

Does mobile phones use TCP/IP? [closed]

Does mobile phones (any kind of mobile phone?) use TCP/IP over radio signals for internet? I would also like to know if they use VoIP for telephony? Please tell me what they use, I'm confused.
1
vote
1answer
188 views

Cisco 7962 cable unpluged with POE

I've got a collection of CISCO 7962 IP Phones powered by POE. On some of them I plug them in to our POE switch and I get an error that the Ethernet cable is unplugged. That strikes me as strange ...
0
votes
1answer
90 views

IP based public addressing system

We are trying to create an IP based PA system for my institution. Our first hunch is to use an asterisk server with clients in auto-answer mode. Is there any better method, or a more apt open source ...
0
votes
1answer
2k views

How can I stream music through VoiP?

What I want is: Stream a music through Teamspeak/Skype/Mumble... while I can talk also. Using Stereo mix is not an option. If I use that, I can't speak, and everyone will just hear themselves. OS: ...
1
vote
1answer
371 views

VoIP - need setup ip network without SIP operator

Need to make next one: for ex i'm now in UAE, but i need to make a call to my girlfriend who is in Ukraine. I need to find the way how can i make the connection to my home router and make the call ...
1
vote
0answers
824 views

Using Asterisk with multiple phone lines (PSTN)

I've had experience working with Asterisk over VoIP. Did pretty complex stuff with it as long as it had ethernet cables and internet connected. I've gotten used to connecting the box to an ITSP and ...
15
votes
3answers
6k views

Receive and route phone calls through computer

I volunteered to work for a political campaign. We want to make a unified number (with multiple lines) to put as contact us number. We want it to work like customer support numbers, you call a fixed ...
0
votes
1answer
567 views

Two VoIP connections on a single DSL service

I want to connect two SIP phones to my router, alongside one another. One connects to my commercial VoIP service provided by my ISP. The other connects to my business VoIP PBX as a remote extension. ...
0
votes
1answer
858 views

Do many of the betamax voip services allow caller id spoofing? [closed]

There are many betamax voip services such as voipgain, voipcheap, voipstunt which ask you to supply a phone number and a destination phone number when making a call (as can be seen in the free trial ...
1
vote
1answer
828 views

sip trunking- asterisk(as a sip server) configuration

I would like to create a voip between two clients. I have two asterisks installed and configured on two public ip: Asterisk1 and Asterisk2. I have two clients defined in asterisk1 (client1,client2) ...
0
votes
1answer
676 views

What technology do 160by2.com use to send SMS messages [closed]

The India based websites 160by2.com and way2sms.com allow users to signup with, and verify, a mobile number. The user can then use the website to send SMS messages to other mobile numbers with their ...
2
votes
1answer
5k views

How do I setup a Polycom phone over internet connection sharing?

What are the Internet Connection Sharing settings that I need so that I can have my Polycom phone utilize my wireless connection? The physical configuration is as follows: Computer accesses the ...
4
votes
2answers
269 views

Are there any free voice changing programs for Windows?

I would like to be able to change my voice in real-time while using any chatting software. This would include Skype and any IP-phone software. I found Clownfish for Skype, but was looking for ...
2
votes
0answers
309 views

Good quality audio conferencing without a headset

I work at home and am doing a lot more video conferencing than I used to. I also use a softphone on the computer for most of my phone calls as well. Particularly when video conferencing I would like ...
2
votes
2answers
5k views

What is the difference between a VoIP phone and a SIP phone? [closed]

I was under the impression that SIP is a protocol for the initiation of communication between applications, and that the protocol VoIP is for the transmission over an established pair of IP addresses ...
-1
votes
1answer
105 views

VoiP to connections?

I have been recently playing with AsterixNow and got a nice network set-up with trunks and sips. Outgoing calls go to a VoIP provider that charge me say 2pence per minute for local mobile. I have been ...
1
vote
2answers
834 views

How to set up a home SIP Server/Proxy for multi ring?

I have a sip account which only allows one device to be registered. When i'm at home I want incoming calls to be able to ring on multiple devices. All of these devices are connected to the local ...
0
votes
1answer
456 views

No XMPP client to talk to, us (partial JID) : asterisk

I am attempting to setup asterisk with my google voice account and not having much success. When I attempt to dial out, I get this error: No XMPP client to talk to, us (partial JID) : asterisk ...
2
votes
3answers
865 views

Will VPN will slow down VOIP traffic?

If I have a Linux setup with VPN in Paris and a Linux setup with VPN in London, both with high-speed internet, will packet-switching be slower for VOIP than if I didn't use VPN? A few people have ...
0
votes
3answers
5k views

QoS in the wireless router for viber

I am connecting my iPhone 3GS to my wireless home network using Viber (VOIP). As I am getting poor sound quality as other in the house are downloading, etc. I'd like to create a QoS rule in my router ...
0
votes
1answer
801 views

iptables + vpnc + Cisco IP Phone 7941

I have a Linux gateway with kernel 2.6.39 connected to a Cisco ASA 5500 with vpnc. I'm using iptables with masquerading and forwarding to give the LAN access to the tun0 device connected to the VPN. ...
2
votes
1answer
566 views

What are the internal workings of Google Voice?

I am new to Google Voice and am interested in how it works internally so I have few doubts about it. Is the Google Voice number itself a SIP number? How does Google Voice receive calls from any PSTN ...
2
votes
0answers
32 views

Videoconferencing software that degrades framerate rather then resolution

Is there a video-conferencing software that can be set to degrade framerate rather then resolution when the intervening connection is slow? I do a significant amount of remote collaborative work. ...
0
votes
1answer
657 views

Not able to answer call

Got a Cisco Sipura SPA 941 hardware phone and I am connected to Asterix (most likely) VoIP server of my provider. I am behind a firewall (ADSL) and I have put my phone to the DMZ zone, so it should ...
1
vote
2answers
3k views

How to connect a remote IP Phone to our VOIP Network?

We have an IP phone system in our office, and about 8 VoIP phones running on the system. We have a remote worker, who is literally states away. We'd like to connect his phone to our VoIP network, so ...
2
votes
1answer
348 views

How can I call from my PC?

Is there a way to just take a number of some web page and dial it? Perhaps route it via my iPhone? The scenario I am talking about is this: let's say I am looking for an apartment on craigslist. ...
1
vote
1answer
620 views

Is a static IP required for a Cisco 7000 series VoIP phone?

my girlfriend will begin working from home, and she needs to hook her Cisco 7000 series Voice over IP phone up to our existing DSL account. The phone provider's tech support said that there was no ...
0
votes
1answer
351 views

Hooking up iMac, DSL modem, router, VoIP box and ROKU

I want to hoop up iMac, DSL modem, router, VoIP box and ROKU. How do I begin? I've read to go from wall to modem to router to VOIP, then I guess I'd just get another cable to hook the ROKU to the ...
3
votes
1answer
406 views

Skype dial out shortcut

I've created shortcut on desktop which looks like this "C:\Program Files\Skype\Phone\Skype.exe" "/callto:echo123" However, whenever I run the shortcut I have firefox open with Launch Application ...
3
votes
2answers
2k views

One way broadcast of SIP call using Wowza

I have a POTS conference call taking place and I want to live stream the audio over the internet using Wowza. My plan is to dial into the conference call essentially bridging the audio onto the Wowza ...
5
votes
3answers
4k views

Replacing my home phone with a VOIP solution?

I'm considering replacing my expensive home phone line with a VOIP option, but want to make sure I'm prepared for what to expect. I have a high-speed internet connection, and a (nearly) always-on ...
0
votes
1answer
435 views

Ohphone - where to download for CentOS/Fedora distributions?

I'm using a project which mentioned I need to used ohphone. However I can't find any Fedora/CentOS versions of ohphone that work with OpenH323. Does anyone know where I could find that?
1
vote
1answer
1k views

Is it possible to run Skype on my NAS or DD-WRT?

Ok so here is my setup: Qnap NAS > TS-210 Gigabit router/switch with DD-WRT (big-generic) multiple PC's 1 usb-to-phone box > Trust ST-1200 Internet Phone Station (this is pretty old...) 1 phone ...
0
votes
1answer
411 views

How to install H.239? From the H323plus or openh323gk or where?

I have downloaded this, but i dont see in the ./configure output anything related to h.239. Any idea? downloaded ex: http://waix.dl.sourceforge.net/project/openh323gk/Sources/2.3.3/ config.status: ...
1
vote
1answer
385 views

Skype call recording with real-time annotation / markers?

There are plenty of applications to record Skype calls, but I am looking for one that allows you to place "chapter markers" or any sort of bookmarks or annotations at certain points in the call in ...
1
vote
1answer
2k views

Windows 7: How do I listen to music on the computer's speakers, and take calls over a headset, without having to unplug/plugin the headset?

I like hearing most audio over my computer's speakers. I like taking calls using a wired headset. I have a random HP desktop PC that came pre-installed with Windows 7, 64. It has Realtek Audio and ...
1
vote
2answers
248 views

Windows utility to monitor VoIP?

I no longer have a landline and rely on a VoIP provider to call/receive calls through the PSTN. It generally works well, but sometimes, end-users complain of low call quality, even when my ADSL line ...
5
votes
2answers
3k views

How to make calls from a remote computer through my land-line phone?

I have a great land-line phone plan; I barely use all of the minutes. Is possible to add a modem/server system so that I can make calls through this line via the internet when I am away? What kind ...
0
votes
3answers
686 views

VoIP (on a landline) vs SIP (on mobile)? What do I miss not using VoIP

A bit of a background. Thinking of moving away from a softphone, which I predominantly use for a long distance calls, a few months ago I got myself a Linksys SPA3000, got it configured (was not easy, ...
2
votes
1answer
2k views

program to dial land phone, enter password and record?

is there a program for Windows (or linux command line) platform that would do below from a command line? call a land phone number (using my SIP account) enter password record the call finishes after ...